body{
  background-color: #f2f2f2;
}
.goodsInfo {
  margin: 0px auto;
  height: 500px;
  padding: 20px;
  width: calc(1200px - 40px);
  background-color: white;
}

.goodsInfo > .left {
  float: left;
  width: 450px;
  height: 100%;
  border: 1px solid #333;
  position: relative;
}

.goodsInfo > .left > .img1 {
  width: 450px;
  height: 444px;
  border-bottom: 1px solid #333;
  position: relative;
}

.goodsInfo > .left > .img1 > .mask {
  width: 200px;
  height: 200px;
  background: rgba(120, 120, 120, 0.5);
  position: absolute;
  left: 10px;
  top: 10px;
  display: none;
  /*我不当作事件目标*/
  pointer-events: none;
}

.goodsInfo > .left > .enlarge {
  width: 500px;
  height: 500px;
  position: absolute;
  left: 110%;
  top: 0;
  display: none;
  border: 1px solid black;
  background-repeat: no-repeat;
  background-size: 1000px 1000px;
  background-position: 0 0;
}
.goodsInfo > .left > .enlarge.active {
  display: block;
}

.goodsInfo > .right {
  float: right;
  width: 650px;
  height: 100%;
}

.goodsInfo > .right > p {
  font-size: 30px;
  height: 220px;
}

.goodsInfo > .right > .price {
  color: red;
}

.goodsInfo > .right > button {
  width: calc(50% - 20px);
  height: 60px;
  font-size: 30px;
  cursor: pointer;
  margin: 0 5px;
}

.info {
    border-top: 1px solid #333;
    padding: 20px;
    width: calc(1200px - 42px);
    height: 500px;
    background-color: white;
}

.info > p {
    margin: 10px;
}

.left > .list > div {
    height: 54px;
    width: 54px;
    float: left;
    margin-right: 20px;
    border: 1px solid transparent;
    cursor: pointer;
}

.left > .list > div > img {
  width: 54px;
  height: 54px;
}

.left > .list > div.active {
  border: 1px solid red;
}